    * {
        padding: 0;
        margin: 0;
    }
    
    .w {
        width: 1200px;
        margin: 0 auto;
    }
    
    a {
        text-decoration: none;
    }
    
    li {
        list-style: none;
    }
    
    .box {
        position: relative;
        height: 650px;
        background-color: #013bd4;
    }
    
    .zuobian img {
        float: left;
        height: 23px;
        width: 100px;
    }
    
    .zybox {
        width: 1170px;
        height: 30px;
        /* background-color: pink; */
        padding-top: 30px;
    }
    
    .youbian {
        float: right;
    }
    
    .youbian ul li {
        float: left;
        height: 30px;
        line-height: 30px;
        color: aliceblue;
        background: hsla(0, 0%, 100%, .1);
        font-size: 14px;
        margin-left: 25px;
        border-radius: 4px;
        padding: 5px 10px;
    }
    
    .youbian ul li a {
        color: aliceblue;
    }
    
    .clearfix:after {
        content: "";
        display: block;
        clear: both;
        height: 0;
        visibility: hidden;
    }
    
    .zuobantu img {
        position: absolute;
        bottom: 0px;
        left: 239px;
        width: 82px;
        height: 478px;
    }
    
    .iphone img {
        position: absolute;
        bottom: 0px;
        left: 320px;
        width: 347px;
        height: 557px;
    }
    
    .youbiantu img {
        position: absolute;
        z-index: 1;
        bottom: 0px;
        left: 666px;
        width: 88px;
        height: 400px;
    }
    
    .wenzi img {
        position: absolute;
        right: 270px;
        top: 200px;
    }
    
    .anzhuo img,
    .appstore img {
        width: 160px;
        height: 45px;
        border-radius: 4px;
        background: rgba(0, 0, 0, 1);
        padding: 10px 15px;
        box-shadow: 0 4px 32px 0 rgb(0 0 0 / 12%);
    }
    
    .appstore img {
        position: absolute;
        bottom: 55px;
        right: 550px;
    }
    
    .anzhuo img {
        position: absolute;
        bottom: 55px;
        right: 310px;
    }
    
    .changwen h2 {
        height: 56px;
        width: 1170px;
        font-size: 40px;
        color: #283044;
        line-height: 56px;
        text-align: center;
        padding-top: 160px;
    }
    
    .changbox {
        width: 1170px;
        height: 394px;
        margin-top: 50px;
    }
    
    .changbox .box1 {
        width: 250px;
        height: 330px;
        float: left;
    }
    
    .changbox .box1 img {
        width: 250px;
        height: 250px;
        margin: 0 2px;
    }
    
    .changbox .box1 h3 {
        height: 32px;
        font-size: 24px;
        color: #283044;
        line-height: 32px;
        text-align: center;
        margin-bottom: 10px;
    }
    
    .changbox .box1 p {
        height: 24px;
        font-size: 18px;
        color: #283044;
        line-height: 24px;
        text-align: center;
    }
    
    .changbox .box2 {
        width: 250px;
        height: 330px;
        float: left;
        margin-left: 200px;
    }
    
    .changbox .box2 img {
        width: 250px;
        height: 250px;
        margin: 0 2px;
    }
    
    .changbox .box2 h3 {
        height: 32px;
        font-size: 24px;
        color: #283044;
        line-height: 32px;
        text-align: center;
        margin-bottom: 10px;
    }
    
    .changbox .box2 p {
        height: 24px;
        font-size: 18px;
        color: #283044;
        line-height: 24px;
        text-align: center;
    }
    
    .changbox .box3 {
        width: 250px;
        height: 330px;
        float: left;
        margin-left: 200px;
    }
    
    .changbox .box3 img {
        width: 250px;
        height: 250px;
        margin: 0 2px;
    }
    
    .changbox .box3 h3 {
        height: 32px;
        font-size: 24px;
        color: #283044;
        line-height: 32px;
        text-align: center;
        margin-bottom: 10px;
    }
    
    .changbox .box3 p {
        height: 24px;
        font-size: 18px;
        color: #283044;
        line-height: 24px;
        text-align: center;
    }
    
    .bigbox {
        margin-top: 65px;
        width: 1170px;
        height: 2130px;
        /* background-color: pink; */
    }
    
    .bigbox h2 {
        height: 56px;
        font-size: 40px;
        font-weight: 400;
        color: #283044;
        line-height: 56px;
        text-align: center;
        padding-bottom: 5px;
    }
    
    .bigbox p {
        height: 32px;
        font-size: 24px;
        line-height: 32px;
        text-align: center;
        color: #283044;
        padding-bottom: 70px;
    }
    
    .boxone {
        position: relative;
        height: 568px;
        /* background-color: skyblue; */
    }
    
    .bigbox .boxone .group {
        position: absolute;
        left: 0;
        top: 50%;
        margin-top: -60px;
        /* width: 375px; */
        height: 120px;
        float: left;
        /* background-color: green; */
    }
    
    .boxone .group span {
        height: 15px;
        width: 15px;
        float: left;
        margin-top: 15px;
        margin-left: 39px;
        background-color: #f23e3e;
        transform: rotate(80deg)
    }
    
    .boxone .group h5 {
        height: 44px;
        padding-left: 75px;
        font-weight: 400;
        font-size: 32px;
        color: #283044;
    }
    
    .boxone .group p {
        height: 64px;
        width: 350px;
        padding-left: 32px;
        font-size: 18px;
        color: #283044;
    }
    
    .boxone .groupp {
        float: right;
        width: 450px;
        height: 568px;
        padding-right: 130px;
        /* background-color: greenyellow; */
    }
    
    .boxone .groupp .yuan img {
        padding: 50px;
    }
    
    .boxone .groupp .yuan video {
        position: absolute;
        top: 10px;
        right: 145px;
        width: 320px;
        height: 568px;
        box-shadow: 0 4px 12px rgb(0 0 0 / 12%);
    }
    
    .boxtwo {
        position: relative;
        height: 568px;
        /* background-color: orange; */
        margin-top: 100px;
    }
    
    .boxtwo .yuan2 img {
        float: left;
        padding-left: 100px;
        padding-top: 55px;
    }
    
    .boxtwo video {
        position: absolute;
        top: 0;
        left: 165px;
        float: left;
        width: 320px;
        height: 568px;
        box-shadow: 0 4px 12px rgb(0 0 0 / 12%);
    }
    
    .boxtwo .plan span {
        position: absolute;
        height: 15px;
        width: 15px;
        top: 233px;
        right: 380px;
        background-color: #f23e3e;
        transform: rotate(80deg)
    }
    
    .boxtwo .plan h5 {
        position: absolute;
        top: 0;
        right: 230px;
        height: 44px;
        padding-top: 215px;
        font-weight: 400;
        font-size: 32px;
        color: #283044;
    }
    
    .boxtwo .plan p {
        float: right;
        height: 64px;
        width: 350px;
        margin-right: 50px;
        margin-top: 260px;
        font-size: 18px;
        color: #283044;
    }
    
    .boxthree {
        position: relative;
        margin-top: 100px;
        height: 568px;
        /* background-color: rgb(25, 46, 160); */
    }
    
    .boxthree .yuan3 img {
        float: right;
        position: absolute;
        right: 88px;
        top: 50px;
    }
    
    .boxthree video {
        position: absolute;
        top: 10px;
        right: 152px;
        width: 320px;
        height: 568px;
        box-shadow: 0 4px 12px rgb(0 0 0 / 12%);
    }
    
    .boxthree .plan1 span {
        height: 15px;
        width: 15px;
        float: left;
        margin-top: 168px;
        margin-left: 10px;
        background-color: #f23e3e;
        transform: rotate(80deg)
    }
    
    .boxthree .plan1 h5 {
        padding-top: 150px;
        padding-left: 50px;
        font-weight: 400;
        font-size: 32px;
        color: #283044;
    }
    
    .boxthree .plan1 p {
        height: 128px;
        width: 375px;
        font-size: 18px;
        /* text-align: center; */
        color: #283044;
    }
    
    .boxfour {
        width: 1200px;
        height: 522px;
        /* background-color: skyblue; */
        margin-top: 50px;
    }
    
    .boxfour .wenzi h2 {
        font-size: 40px;
        font-weight: 400;
        color: #283044;
        padding-left: 435px;
    }
    
    .boxfour .wenzi p {
        font-size: 24px;
        color: #283044;
        padding-left: 390px;
        padding-top: 10px;
    }
    
    .boxfour ul li {
        float: left;
        width: 290px;
        height: 144px;
        /* background-color: orange; */
        margin-top: 80px;
        margin-right: 5px;
    }
    
    .boxfour ul li img {
        padding: 40px 40px;
        width: 65%;
    }
    
    .boxfour ul li .wei {
        padding: 55px 40px;
    }
    
    .boxfour ul li .wei1 {
        padding: 10px 51px;
    }
    
    .changtu {
        padding-top: 100px;
    }
    
    .five {
        position: relative;
    }
    
    .bai {
        width: 100px;
        height: 23px;
        position: absolute;
        top: 170px;
        left: 60px;
    }
    
    .five p {
        font-size: 21px;
        position: absolute;
        top: 167px;
        left: 177px;
        color: #ffffff;
    }
    
    .five h2 {
        font-size: 42px;
        font-weight: 400;
        position: absolute;
        top: 250px;
        left: 58px;
        color: #ffffff;
    }
    
    .five .quanqiu {
        position: absolute;
        top: 310px;
        left: 60px;
        font-size: 16px;
        color: #c2c2c3;
    }
    
    .five span a {
        position: absolute;
        top: 290px;
        right: 100px;
        width: 180px;
        height: 38px;
        line-height: 38px;
        text-align: center;
        border-radius: 5px;
        color: #4a4a4a;
        background-color: #ffffff;
    }
    
    .lowest {
        position: relative;
        height: 360px;
        background-color: #283044;
        margin-top: 50px;
    }
    
    .lowest span a {
        float: left;
        margin-left: 40px;
        color: #ffffff;
    }
    
    .lowest .zbox {
        height: 20px;
        padding-top: 60px;
        padding-left: 200px;
    }
    
    .lowest .yijian {
        position: absolute;
        top: 95px;
        left: 240px;
        color: #afb2b9;
    }
    
    .lowest .bian {
        height: 66px;
        margin-top: 90px;
        margin-left: 240px;
        color: #afb2b9;
    }
    
    .lowest .bian ul li {
        padding-top: 13px;
    }
    
    .lowest .bian .chuangong {
        color: #ffffff;
    }
    
    .lowest .icp a {
        position: absolute;
        top: 217px;
        right: 670px;
        color: #ffffff;
    }
    
    .lowest .yy {
        position: absolute;
        top: 130px;
        right: 222px;
    }
    
    .lowest .yy img {
        width: 108px;
        height: 108px;
        padding-right: 45px;
    }
    
    .lowest .xiazhai {
        position: absolute;
        top: 90px;
        right: 425px;
        color: #afb2b9;
    }
    
    .lowest .store {
        position: absolute;
        top: 250px;
        right: 455px;
        color: #afb2b9;
    }
    
    .lowest p {
        position: absolute;
        top: 250px;
        right: 310px;
        color: #afb2b9;
    }